单项选择题
A.varying the DC exciter voltage B.varying the reluctance of the air gap C.regulating the speed of the prime mover D.shorting out part of the armature windings
If two AC generators are operated in parallel, the load...
单项选择题If two AC generators are operated in parallel, the load is distributed evenly by（）
A.a rheostat B.a balancing coil C.changing field excitation D.adjusting the governor settings
What would the amps be at 240 volts with an 8 ohm resis...
单项选择题What would the amps be at 240 volts with an 8 ohm resistance?（）
A.32~5 amps B.25 amps C.1~5 amps D.30 amps
The actual rudder angle reading is（）A.the rudder angle ...
单项选择题The actual rudder angle reading is（）
A.the rudder angle indicator reading B.the desired rudder angle reading C.the measured rudder angle reading D.the intended rudder angle reading
